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Ultrasonication-assisted, wet-chemical fabrication of uniform AuPt nanodendrites as efficient electrocatalyst for oxygen reduction and hydrogen evolution reactions
Feng, Jiu-Ju1; Liu, Lei1; Ma, Xiaohong2; Yuan, Junhua1; Wang, Ai-Jun1
2017-01-26
发表期刊INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
ISSN0360-3199
卷号42期号:4页码:2071-2080
摘要Herein, we present an ultrasonication-assisted wet-chemical method for facile synthesis of uniform bimetallic AuPt alloy nanodendrites (NDs), using 4-amino-2,6-dihydroxypyrimidine as the structure-directing and dispersing agents, without any template, seed, organic solvent or polymer. The structure, morphology, size, and composition of the as-obtained nanocrystals are examined by a series of characterization techniques. The architectures display remarkable catalytic performances toward oxygen reduction and hydrogen generation in comparison with commercial Pt black and Pt/C catalysts, through the polarization, chronoamperometry, and durability measurements. This is due to the special dendritic nanostructures with rich surface defects, porous features and the synergistic effects between Pt and Au in the alloy. In combination with the simple, easily controllable, and time-saving synthetic strategy, AuPt NDs may find potential applications and shed some light on the construction of other bimetallic nanocatalysts in fuel cells. (C) 2016 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
关键词Nanodendrites Ultrasonication-assisted Method Oxygen Reduction Reaction Hydrogen Evolution Reaction 4-amino-2 6-dihydroxypyrimidine
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1016/j.ijhydene.2016.11.019
收录类别SCI
语种英语
关键词[WOS]REDUCED GRAPHENE OXIDE ; ENHANCED CATALYTIC-ACTIVITY ; ONE-POT SYNTHESIS ; FACILE SYNTHESIS ; BIMETALLIC NANOPARTICLES ; ALLOY NANOPARTICLES ; METHANOL OXIDATION ; HIGHLY EFFICIENT ; DIRECTED SYNTHESIS ; NANOWIRE NETWORKS
WOS研究方向Chemistry ; Electrochemistry ; Energy & Fuels
WOS类目Chemistry, Physical ; Electrochemistry ; Energy & Fuels
项目资助者National Natural Science Foundation of China(21475118 ; Zhejiang Provincial Public Welfare Project(2016C33011) ; 21175118 ; 21275130)
WOS记录号WOS:000395842000017
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/22007
专题多相复杂系统国家重点实验室
作者单位1.Zhejiang Normal Univ, Coll Chem & Life Sci, Coll Geog & Environm Sci, Jinhua 321004, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
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Feng, Jiu-Ju,Liu, Lei,Ma, Xiaohong,et al. Ultrasonication-assisted, wet-chemical fabrication of uniform AuPt nanodendrites as efficient electrocatalyst for oxygen reduction and hydrogen evolution reactions[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2017,42(4):2071-2080.
APA Feng, Jiu-Ju,Liu, Lei,Ma, Xiaohong,Yuan, Junhua,&Wang, Ai-Jun.(2017).Ultrasonication-assisted, wet-chemical fabrication of uniform AuPt nanodendrites as efficient electrocatalyst for oxygen reduction and hydrogen evolution reactions.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,42(4),2071-2080.
MLA Feng, Jiu-Ju,et al."Ultrasonication-assisted, wet-chemical fabrication of uniform AuPt nanodendrites as efficient electrocatalyst for oxygen reduction and hydrogen evolution reactions".INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 42.4(2017):2071-2080.
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